【单选题】【消耗次数:1】
以下关于衡量钢筋塑性性能的叙述中,正确的是( )。
屈服强度和冷弯性能
屈服强度和伸长率
屈服强度与极限抗拉强度
伸长率和冷弯性能
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相关题目
【判断题】 钢筋的塑性性能可以通过伸长率和冷弯性能两个指标来衡量。
①  正确
②  错误
【单选题】 随着钢材牌号增大,屈服点和抗拉强度随之(),伸长率随之()。  
①  提高提高  
②  提高降低  
③  降低提高  
④  降低降低
【判断题】 钢筋的塑性变形性能通常用伸长率和抗弯性能两个指标来衡量。
①  正确
②  错误
【判断题】 含碳量越高的钢筋,屈服台阶越短、伸长率越小、塑性性能越差
①  正确
②  错误
【单选题】 下列能同时反映钢筋强度和塑性性能的是:( )
①  冷加工性能
②  焊接性能
③  冷弯性能
④  拉伸性能
【单选题】 钢筋的屈服强度是指(??)。
①  屈服下限
②  比例极限
③  屈服上限
④  弹性极限
【单选题】 钢筋的屈服强度是指()。
①  比例极限
②  弹性极限
③  屈服上限
④  屈服下限
【单选题】 钢筋的屈服强度是指:
①  比例极限
②  弹性极限
③  屈服上限
④  屈服下限
【判断题】 对于有明显屈服点的钢筋,采用屈服强度作为强度指标,对于没有屈服点的钢筋,采用残余应变为0.3%的强度值作为强度指标,称为条件屈服强度点强度。
①  正确
②  错误
【判断题】 对钢筋冷拉可以提高抗拉强度和抗压强度。
①  正确
②  错误
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